sophisticated rollup setup and eslint base setup

.github/ISSUE_TEMPLATE/bug_report.md

@@ -4,7 +4,6 @@ about: Create a report to help improve OverlayScrollbars
 title: ''
 labels: ''
 assignees: ''
-
 ---
 
 **Describe the bug**
@@ -12,6 +11,7 @@ A clear and concise description of what the bug is.
 
 **To Reproduce**
 Steps to reproduce the behavior:
+
 1. Go to '...'
 2. Click on '....'
 3. Scroll down to '....'
@@ -21,12 +21,13 @@ Steps to reproduce the behavior:
 A clear and concise description of what you expected to happen.
 
 **Examples**
-Please create a small example of the bug. 
+Please create a small example of the bug.
 To do this you can use online platforms like [JSFiddle](https://jsfiddle.net/), [CodeSandbox](https://codesandbox.io/) or [StackBlitz](https://stackblitz.com/). You can also create a separate Github repository which I can clone.
 
 **Environment**
- - Used Operating System(s):
- - Used Browser(s) (with version):
+
+- Used Operating System(s):
+- Used Browser(s) (with version):
 
 **Additional context**
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -4,7 +4,6 @@ about: Suggest an idea for this project
 title: ''
 labels: ''
 assignees: ''
-
 ---
 
 **Is your feature request related to a problem? Please describe.**